A) Isotopy B) Isomerism C) Hybridisation D) Allotropy
A) Has no free valence electrons B) Is solid at room temperature C) Is a giant molecule D) Contains no bonded electrons
A) Has a dark colour B) Is a good absorbent C) Has a good carbon content D) Is rich in phosphate content
A) Ammoniacal liquor B) Aqueous ammonia C) Coal gas D) Ethanol
A) Deliquescent B) Efflorescent C) Insoluble D) Hygroscopic
A) Effervescence B) Fluorescence C) Deliquescence D) Efflorescence
A) Decomposition B) Dehydration C) Hydrolysis D) Hydration
A) Metallic lustre B) High melting point C) Hardness D) Durability
A) CO and H2 B) CO2 and N2 C) CO2 and H2 D) CO and N2
A) Nuclear energy B) Natural gas C) Fossil fuels D) Biomass
A) Carbon and oxygen B) Carbon and hydrogen C) Carbon and sulfur D) Carbon and nitrogen
A) Alcohols B) Alkenes C) Alkynes D) Alkanes
A) Geological processes over millions of years B) Synthetic chemical reactions C) Volcanic eruptions D) Plants and animals
A) Petroleum B) Air C) Limestone D) Water
A) Is a powerful dehydrating agent. B) Has high molar mass C) Is used extensively in industries D) Is a dense, oily liquid
A) Fine chemicals B) Light chemicals C) Bulk chemicals D) Heavy chemicals
A) They are chemically pure B) They are produced in large quantities because of their high applicability C) They are produced in small quantities because of limited applicability. D) They are produced by process
A) To calculate the molar mass of a compound B) To identify the presence of specific substances C) determine the boiling point of a substance D) To measure the concentration of a solution
A) They are used as raw materials in various industries B) They are a source of clean energy C) They help in reducing greenhouse gas emissions D) They are essential for the production of medicines
A) Methane B) Ethane C) Butane D) Propane |